package com.fivestyle.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.fivestyle.common.tool.HttpClient;
import com.fivestyle.entity.OrderLog;
import com.fivestyle.entity.Orders;
import com.fivestyle.mapper.OrderLogMapper;
import com.fivestyle.service.OrderLogService;
import com.fivestyle.service.OrderService;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author 张代钊
 * @since 2021-08-04
 */
@Service
public class OrderLogServiceImpl extends ServiceImpl<OrderLogMapper, OrderLog> implements OrderLogService {

    @Autowired
    private OrderService orderService;

    @Override
    public Map createNatvie(String  orderNo) {
        try {
            //1 根据订单号查询订单信息
            QueryWrapper<Orders> wrapper = new QueryWrapper<>();
            wrapper.eq("order_no",orderNo);
            List<Orders> order = orderService.list(wrapper);

            //2 使用map设置生成二维码需要参数
            Map m = new HashMap();
//            关联的公众号appid
            m.put("appid","wx74862e0dfcf69954");
//            商户号
            m.put("mch_id", "1558950191");
//            随机字符串(用来生成随机二维码)
            m.put("nonce_str", WXPayUtil.generateNonceStr());
//            生成的二维码的名字
            m.put("body","图书购买"); //课程标题
//            二维码的唯一标识
            m.put("out_trade_no", orderNo); //订单号
//            进行支付的ip地址
            m.put("spbill_create_ip", "127.0.0.1");
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
//            支付类型
            m.put("trade_type", "NATIVE");

            //            二维码的价格
            BigDecimal totalPrice = new BigDecimal("0");
            for (Orders orders : order) {
                totalPrice = totalPrice.add(orders.getMoneyTotal());
            }
            m.put("total_fee", totalPrice.multiply(new BigDecimal("100")).longValue()+"");


            //3 发送httpclient请求，传递参数xml格式，微信支付提供的固定的地址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //用商户key加密m,设置xml格式的参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            //执行post请求发送
            client.post();

            //4 得到发送请求返回结果
            //返回内容，是使用xml格式返回
            String xml = client.getContent();

            //把xml格式转换map集合，把map集合返回
            Map<String,String> resultMap = WXPayUtil.xmlToMap(xml);

            //最终返回数据 的封装
            Map map = new HashMap();
            map.put("out_trade_no", orderNo);
            map.put("total_fee", totalPrice);
            map.put("result_code", resultMap.get("result_code"));  //返回二维码操作状态码
            map.put("code_url", resultMap.get("code_url"));        //二维码地址

            return map;
        }catch(Exception e) {
            e.printStackTrace();
            System.out.println("报错了！");
            return null;
        }
    }

    //查询订单支付状态
    @Override
    public Map<String, String> queryPayStatus(String orderNo) {
        try {
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

            //2 设置查询状态地址,发送httpclient
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();

            //3 得到请求返回内容
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            //6、转成Map再返回
            return resultMap;
        }catch(Exception e) {
            return null;
        }
    }

    //添加支付记录和更新订单状态
    @Override
    public void updateOrdersStatus(Map<String, String> map) {
        //从map获取订单号
        String orderNo = map.get("out_trade_no");
        //根据订单号查询订单信息
        QueryWrapper<Orders> wrapper = new QueryWrapper<>();
        wrapper.eq("order_no",orderNo);
        List<Orders> list = orderService.list(wrapper);

        BigDecimal totalPrice = new BigDecimal("0");
        for (Orders order : list) {
            totalPrice = totalPrice.add(order.getMoneyTotal());
            //更新订单表订单状态
            if(order.getStatus().intValue() == 1) { return; }
            order.setStatus(1);//1代表已经支付
            orderService.updateById(order);
        }

        //向支付表添加支付记录
        OrderLog payLog = new OrderLog();
        payLog.setOrderId(orderNo);  //订单号

        payLog.setStatus(1);//支付状态
        payLog.setMoneyTotal(totalPrice);//总金额(分)

        payLog.setStreamNum(map.get("transaction_id")); //流水号
        baseMapper.insert(payLog);
    }

}
